# Python __doc__属性：查看文档
import doc_package
print([e for e in dir(doc_package) if not e.startswith("_")])

print()

help(doc_package.module1)
print()

help(doc_package.module2)
print()

help(doc_package.module1.display)
print()

help(doc_package.module2.CLanguage)
print()

print(doc_package.module1.display.__doc__)
